Home / 5,680.78-8,526.45-2,909.44

Finding the Fourth Proportional to 5,680.78, 8,526.45 and 2,909.44

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Solution

The fourth proportional to 5,680.78, 8,526.45 and 2,909.44 is: 4,366.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,680.78 : 8,526.45 = 2,909.44 : x
  2. Step 2: Convert to fraction form
    5,680.78/8,526.45 = 2,909.44/x
  3. Step 3: Cross multiply
    5,680.78x = 8,526.45 × 2,909.44
  4. Step 4: Simplify right side
    5,680.78x = 24,807,194.69
  5. Step 5: Solve for x
    x = 24,807,194.69/5,680.78
  6. Step 6: Final answer
    x = 4,366.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.